Allen- Ewing Dam
Key Takeaway
Allen- Ewing Dam is classified as low hazard in Iowa. It was completed in 1999 and is 27 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 35 ft (taller than 70.9% in IA) |
| Dam Length | 632 ft |
| Dam Type | Earth |
| Max Storage | 54 acre-ft |
| Normal Storage | 37 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1999 (27 years old) |
| NID ID | IA03381 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
John Allen
Private
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What is the hazard classification of Allen- Ewing Dam?
Allen- Ewing Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Allen- Ewing Dam?
Allen- Ewing Dam is owned by John Allen (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Allen- Ewing Dam built?
Allen- Ewing Dam was completed in 1999, making it 27 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Allen- Ewing Dam?
Allen- Ewing Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Allen- Ewing Dam?
Allen- Ewing Dam has a dam height of 35 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.